RHSA-2021:4059: Moderate: curl security update
The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.Security Fix(es): curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols (CVE-2021-22946) curl: Server responses received before STARTTLS processed after TLS handshake (CVE-2021-22947) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:4059?
The severity of RHSA-2021:4059 is classified as Moderate due to the potential for unauthorized access via insecure communication protocols.
How do I fix RHSA-2021:4059?
To fix RHSA-2021:4059, you should update the affected curl packages to version 7.61.1-18.el8_4.2 or higher.
What specific packages are affected by RHSA-2021:4059?
The affected packages include curl, libcurl, curl-debuginfo, libcurl-debuginfo, and several others related to these libraries.
What is CVE-2021-22945 related to RHSA-2021:4059?
CVE-2021-22945 highlights the failure to properly enforce TLS usage in protocols like IMAP, POP3, and FTP within curl.
How can I verify if my system is affected by RHSA-2021:4059?
You can verify if your system is affected by checking the installed versions of curl and related packages against the provided vulnerable versions.